7th Grade 1st Semester Review Part 2

Front

What causes a comet to start burning?

Back

A comet starts burning when it gets close to the sun.

Front

How far does a person travel in the first 5 seconds according to the graph?

Back

The person travels 5 meters in the first 5 seconds.

Front

How many Sulfur atoms are in Cr(SO₄)₃?

Back

There are 3 Sulfur atoms in Cr(SO₄)₃.

Tags

NGSS.MS-PS1-1

Front

How many substances in a list are elements?

Back

3 substances are elements.

Front

What geologic feature is found at a divergent boundary between two pieces of oceanic crust?

Back

A Mid-Ocean Ridge is found at a divergent boundary between two pieces of oceanic crust.

Tags

NGSS.MS-ESS2-3

Front

What is a comet?

Back

A comet is a small celestial body made of ice, dust, and rocky material that, when close to the sun, heats up and releases gas and dust.

Front

What is a divergent boundary?

Back

A divergent boundary is a tectonic plate boundary where two plates move away from each other, often resulting in the formation of new crust.

Tags

NGSS.MS-ESS2-3

Front

What is the Mid-Ocean Ridge?

Back

The Mid-Ocean Ridge is an underwater mountain range formed by plate tectonics at divergent boundaries.

Tags

NGSS.MS-ESS2-3

Front

What is the definition of an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the formula for calculating distance traveled?

Back

Distance = Speed × Time.